Cat C9 8.8 L Ultra Low Sulfur Diesel 335 hp Engine, Air Conditioner, Power Windows, Eaton Fuller RTLO12913A 13-Speed Manual Transmission, Double Differential Locks, 18000 lb Front Axle, 40000 lb Rears, Meritor Drive Axles, 4.88:1 Axle Ratio, 58000 lb GVWR, Air Ride Cab, Aluminum Front Wheels, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Double Frame, Air Ride Suspension, 312 in Wheelbase, PTO, Front Mounted, 4 Section Boom, Out and Down Outriggers, 27 ft x 102 in Bed